import router from './router'
import store from './store'
import { Message } from 'element-ui'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style
import { getToken, setToken, getCook, removeToken } from '@/utils/auth' // get token from cookie
import getPageTitle from '@/utils/get-page-title'
import request from '@/utils/request'
import { login, logout, getInfo } from '@/api/user'
import { GetUserData } from '@/api/Common'



const _import = require('./router/_import_' + process.env.NODE_ENV) // 获取组件的方法

NProgress.configure({ showSpinner: false }) // NProgress Configuration



export function getQueryObject(url) {
    url = url == null ? window.location.href : url
    const search = url.substring(url.lastIndexOf('?') + 1)
    const obj = {}
    const reg = /([^?&=]+)=([^?&=]*)/g
    search.replace(reg, (rs, $1, $2) => {
        const name = decodeURIComponent($1)
        let val = decodeURIComponent($2)
        val = String(val)
        obj[name] = val
        return rs
    })
    return obj
}






const whiteList = ['/login', '/auth-redirect'] // no redirect whitelist

router.beforeEach(async(to, from, next) => {
    // start progress bar
    NProgress.start()

    // set page title
    document.title = getPageTitle(to.meta.title)





    try {

        let user = await GetUserData();

        if (user.data == null) {
            
            removeToken();
        }
    } catch (error) {
        // remove token and go to login page to re-login 
        //用户登录数据丢失，重新登录
        removeToken();

    }

    const hasToken = getToken()

    if (hasToken) {



        if (to.path === '/login') {
            // if is logged in, redirect to the home page
            next({ path: '/' })
            NProgress.done()
        } else {
            // determine whether the user has obtained his permission roles through getInfo
            const hasRoles = store.getters.roles && store.getters.roles.length > 0
            if (hasRoles) {
                next()
            } else {
                try {
                    // get user info
                    // note: roles must be a object array! such as: ['admin'] or ,['developer','editor']
                    const { roles } = await store.dispatch('user/getInfo')
                    // alert(roles)

                    // generate accessible routes map based on roles
                    const accessRoutes = await store.dispatch('permission/generateRoutes', roles)

                    // dynamically add accessible routes
                    router.addRoutes(accessRoutes)

                    // hack method to ensure that addRoutes is complete
                    // set the replace: true, so the navigation will not leave a history record
                    next({...to, replace: true })
                } catch (error) {
                    // remove token and go to login page to re-login
                    await store.dispatch('user/resetToken')
                    Message.error(error || 'Has Error')
                    next(`/login?redirect=${to.path}`)
                    NProgress.done()
                }
            }
        }
    } else {
        /* has no token*/




        if (whiteList.indexOf(to.path) !== -1) {
            // in the free login whitelist, go directly
            next()
        } else {


            const AotohasToken = getToken()

            //单点登录-邮件登录
            if (AotohasToken == null) {
                const eipaulg = getQueryObject(null).eipaulg;

                const autoLogin = getQueryObject(null).autoLogin;


                if (eipaulg || autoLogin) {
                    const log = await login({ username: "", password: "", eipaulg: eipaulg, autoLogin: autoLogin }).then(response => {


                        setToken(response.Result.Token)
                            // resolve()


                    }).catch(error => {

                    })

                }

                const AotohasToken1 = getToken()
                if (AotohasToken1) {
                    const { roles } = await store.dispatch('user/getInfo')

                    // generate accessible routes map based on roles
                    const accessRoutes = await store.dispatch('permission/generateRoutes', roles)

                    // dynamically add accessible routes
                    router.addRoutes(accessRoutes)
                        //router.addRoutes(token)

                    // hack method to ensure that addRoutes is complete
                    // set the replace: true, so the navigation will not leave a history record
                    next({...to, replace: true })

                } else {
                    // other pages that do not have permission to access are redirected to the login page.
                    next(`/login?redirect=${to.path}`)
                    NProgress.done()

                }

            }




        }
    }
})

router.afterEach(() => {
    // finish progress bar
    NProgress.done()
})